- 2002–2007 Factory-verified
The 2002 list reads "IP Appearance - Same As Base w/in-mode Accent" (instrument panel appearance).
B20 Factory-verified
Also described as Ornamentation, interior, luxury
Also documented for CadillacChevroletOldsmobilePontiacSaturn
Documented applications
- 1998 Factory-verified
This page aggregates every documented appearance of B20 in the Buick reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.